<!DOCTYPE html>
<html>
<head>
<link rel='match' href='jumpiness_ref.html'>
<style>
body.hello {
    text-decoration: underline;
}
</style>
</head>
<body>
a
<script>
setTimeout(function() {
    document.body.classList.add('hello');
}, 0);
</script>
</body>
</html>

